public ActionResult IsUsernameUnique(string userName)
{
if (!string.IsNullOrEmpty(userName))
{
ADDomain domain = new ADDomain();
bool isUserFound = domain.IsUsernameUnique(userName);
return(Json(isUserFound, JsonRequestBehavior.AllowGet));
}
else
{
return(Json(false, JsonRequestBehavior.AllowGet));
}
}